projectfinal.JPG
Cosine Graph

Equation of function: f(x) = cos (x)

Domain: (-infinity, +infinity), all real numbers
Range: [-1,1]
Discontinuities: None
Symmetry: About the y-axis

Even, odd, or neither: - cos(-x)cos(x) ----->Even


End behavior using limits:
limx → 0 cos(x) = cos(0) = 1